PLTW Digital Electronics - Final Review Set 1, PLTW
Digital Electronics - Final Review Set 2, PLTW Digital
Electronics - Final Review Set 3, Digital Electronics -
PLTW Review Test 2025-2026 Comprehensive Test
Bank | 200+ Practice Questions & Detailed Answers
Which of the following is a rule of Boolean algebra?
1. AA • 0 = A
2. AB • 1= 1
3. A • A = A
4. AC • A = 1 - ✔✔ANSWER ✔✔-A • A = A
Which of the following equations is the un-simplified Sum-Of-Products
equation for the truth table shown below with F as the Output?
XYZF
,0000
0011
0101
0110
1000
1010
1101
1 1 1 0 - ✔✔ANSWER ✔✔-F = X' Y' Z + X' Y Z' + X Y Z'
If an integrated circuit has been damaged and you smell smoke, you
should__________________. - ✔✔ANSWER ✔✔-Turn the power off for
a few minutes before pulling out the damaged integrated circuit.
In scientific notation, which prefixes are used for values smaller than a
whole value? - ✔✔ANSWER ✔✔-Micro, nano, milli
What is the value of the resistor with colors blue, grey, red , gold ? -
✔✔ANSWER ✔✔-6.8 K Ω ±5 %
What are the color bands for a 390 Ω (±10) resistor? - ✔✔ANSWER
✔✔-ORANGE-WHITE-BROWN-SILVER
,In a parallel circuit, you measure 1.5 mAmps flowing through a 600 Ω
resistor. What is the voltage drop across the resistor? Use Ohms law. -
✔✔ANSWER ✔✔-900 m Volts
What is the decimal equivalent to the binary number 0101102? -
✔✔ANSWER ✔✔-22 power of 10
In the eight-bit binary number shown below, which bit is the Least
Significant Bit
(LSB)?
b7b6 b5 b4 b3 b2 b1 b0
1 0 1 1 0 1 0 1 - ✔✔ANSWER ✔✔-B 0 (zero)
What is the binary equivalent to the decimal number 1310? -
✔✔ANSWER ✔✔-1101
What is the decimal equivalent to the binary number 0101102? -
✔✔ANSWER ✔✔-22 base 10
What is the binary equivalent to the hexadecimal number CH -
✔✔ANSWER ✔✔-11002
What is the letter symbol for current? - ✔✔ANSWER ✔✔-I
, Which of the following is a correct DeMorgan's Identity?
1.. XY" = X'•Y'
2. XY" = X'•Y
3. XY" = X' + Y'
4. XY = X + Y - ✔✔ANSWER ✔✔-XY" = X' + Y'
. Which of the following is the simplified equivalent for the Boolean
equation shown?
F = Y' +XY'
1. F = X ''Y''
2. F = X
3. F = X Y'
4. F = Y' - ✔✔ANSWER ✔✔-F = Y'
Which Boolean equation is in Product-Of-Sums form?
1. F = X Y Z + X Y + X Y Z
2. F = X Y Z + Z (X + Y)
3. F = (X + Y)(X+ Z)(Y + Z)
4. F = X Z(Y + Z)(Y + Z) - ✔✔ANSWER ✔✔-F = (X + Y)(X+ Z)(Y + Z)
Which of the following Boolean equation is in Sum-Of-Products form?
Digital Electronics - Final Review Set 2, PLTW Digital
Electronics - Final Review Set 3, Digital Electronics -
PLTW Review Test 2025-2026 Comprehensive Test
Bank | 200+ Practice Questions & Detailed Answers
Which of the following is a rule of Boolean algebra?
1. AA • 0 = A
2. AB • 1= 1
3. A • A = A
4. AC • A = 1 - ✔✔ANSWER ✔✔-A • A = A
Which of the following equations is the un-simplified Sum-Of-Products
equation for the truth table shown below with F as the Output?
XYZF
,0000
0011
0101
0110
1000
1010
1101
1 1 1 0 - ✔✔ANSWER ✔✔-F = X' Y' Z + X' Y Z' + X Y Z'
If an integrated circuit has been damaged and you smell smoke, you
should__________________. - ✔✔ANSWER ✔✔-Turn the power off for
a few minutes before pulling out the damaged integrated circuit.
In scientific notation, which prefixes are used for values smaller than a
whole value? - ✔✔ANSWER ✔✔-Micro, nano, milli
What is the value of the resistor with colors blue, grey, red , gold ? -
✔✔ANSWER ✔✔-6.8 K Ω ±5 %
What are the color bands for a 390 Ω (±10) resistor? - ✔✔ANSWER
✔✔-ORANGE-WHITE-BROWN-SILVER
,In a parallel circuit, you measure 1.5 mAmps flowing through a 600 Ω
resistor. What is the voltage drop across the resistor? Use Ohms law. -
✔✔ANSWER ✔✔-900 m Volts
What is the decimal equivalent to the binary number 0101102? -
✔✔ANSWER ✔✔-22 power of 10
In the eight-bit binary number shown below, which bit is the Least
Significant Bit
(LSB)?
b7b6 b5 b4 b3 b2 b1 b0
1 0 1 1 0 1 0 1 - ✔✔ANSWER ✔✔-B 0 (zero)
What is the binary equivalent to the decimal number 1310? -
✔✔ANSWER ✔✔-1101
What is the decimal equivalent to the binary number 0101102? -
✔✔ANSWER ✔✔-22 base 10
What is the binary equivalent to the hexadecimal number CH -
✔✔ANSWER ✔✔-11002
What is the letter symbol for current? - ✔✔ANSWER ✔✔-I
, Which of the following is a correct DeMorgan's Identity?
1.. XY" = X'•Y'
2. XY" = X'•Y
3. XY" = X' + Y'
4. XY = X + Y - ✔✔ANSWER ✔✔-XY" = X' + Y'
. Which of the following is the simplified equivalent for the Boolean
equation shown?
F = Y' +XY'
1. F = X ''Y''
2. F = X
3. F = X Y'
4. F = Y' - ✔✔ANSWER ✔✔-F = Y'
Which Boolean equation is in Product-Of-Sums form?
1. F = X Y Z + X Y + X Y Z
2. F = X Y Z + Z (X + Y)
3. F = (X + Y)(X+ Z)(Y + Z)
4. F = X Z(Y + Z)(Y + Z) - ✔✔ANSWER ✔✔-F = (X + Y)(X+ Z)(Y + Z)
Which of the following Boolean equation is in Sum-Of-Products form?
